[foms] Adaptive streaming

Frank Galligan fgalligan at google.com
Mon Nov 1 12:56:33 PDT 2010

Hi David,

Vp8 will have no problems switching seamlessly on key frame boundaries.


On Mon, Nov 1, 2010 at 3:10 PM, David R <videophool at hotmail.com> wrote:

>  On Monday, Mon, 1 Nov 2010, fgalligan wrote:
> > Each Vorbis stream has its own setup data that would be needed before you
> decode that stream.
> We use currently use Ogg-Vorbis on our Wii platform (in fragmented MP4).
>  We carry the setup data in in the sample description box.  In our adaptive
> streaming model we never switch audio once playback has begun (except at
> seek or re-buffer).
> > VP8 streams do not have any setup data to decode a specific stream. As
> long as you start on a key frame you should be ok.
> We are currently using VC-1, AVC, and MP4-part2.  In each of these, we have
> a sequence header per GOP, and the decoder handles seamless switching fine.
>  I am not familiar with VP8, but I guess that it will not be different for
> VP8.
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